Different Techniques of Gemstone Engraving or Carving
The glyptography means the art of engraving or carving a piece of seal or stone by inscribing images or sculptors on it. It is an old technique that used to be performed from the ancient times. The great use of the above mentioned technique is also described in the historical books or archaeological discoveries. The historical
evidences are abundant to prove that this technique has grown in
proportion to human civilization.In some great civilization of the ancient time such as Babylon,Sumeria, Greek gem engraving or carving technique were used.
However, unlike today, where this technique is widely being performed on almost every stone whereas, in ancient time gem engraving used to practiced on some specific stones like Agate,Jasper, Amethyst and Onyx.In other words engraving means carving in the intaglio that prints the cut or design in which a stone has to be transferred. The “Intaglio” technique offers the background image of the stone
which can be used by a gem cutter to refer for gem carving activity. Other technique which is known as cameo captures the head or top image of the stone. It is also majorly being used for gemstone engraving technique. The cameo technique to engrave gemstone was widely being practiced at the time of Greek. The
signet ring was craved using cameo procedure. The cameo offers light color image over a dark background.Glyptic art: The glyptic art is an inscription technique which is majorly being used to carve small gemstone or for archaeological inscriptions. Along with stone, this technique was practiced upon cylindrical seals.
Technique of gem carving: To carve a gemstone or seal the abrasive powder and hand drill machines are used. The person who cuts the gem is known as gem cutter who must have at least three year of experience in this field. However, in earlier days due to lack of technical advancement, therefore they used to carve a
seal with their hands; unfortunately, it was hard to get the better details from this technique.Besides this, in ancient times there is no such evidence that
entails that they were using magnetic glasses to perform this
activity. Nowadays, due to major advancement in the technique,
the job of intaglio or carving has become easy. To perform intaglio
over a seal, the gem cutter uses a flat wheel edged wheel on a
drill for intaglio work. Furthermore, to increase the color and shine
of the stone today heat and color treatments such as dyes are
widely being performed over the stones.
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